解题方法
1 . 已知函数
,则关于
的不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ff3ea77c41efe97ce34ee2971beb8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b723cf2c92aee923f490a09adbaee5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
484次组卷
|
3卷引用:2015-2016学年重庆一中高二下期中文科数学试卷
名校
解题方法
2 . 已知
是
上的偶函数,且在
上单调递减,设
,
,
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2edd8edcb21bd41584daf9bb95a5c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17e3a155243f2585e7d8cce6ffaa18f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b76c7a5cb96005123e13a40f9b57ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4224958e328fe215f9753628161c38f5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9-10高二下·辽宁·阶段练习
3 . 对于在区间 [ m,n ] 上有意义的两个函数
与
,如果对任意
,均有
,则称
与
在 [ m,n ] 上是友好的,否则称
与
在 [ m,n ]是不友好的.现有两个函数
与
(a > 0且
),给定区间
.
(1)若
与
在给定区间
上都有意义,求a的取值范围;
(2)讨论
与
在给定区间
上是否友好.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8493c010ed4ff2e801a17ce9edd1ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8493c010ed4ff2e801a17ce9edd1ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea5502c82b978154b5a9f07eb624150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c2ac5a9ecd2835dc49f9c2b097de12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d281e837adac1f8bf88a944e106aa305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ac0937a6ef09d8fa79cf5dd4b3b8f0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebef85c05f6d84ceb67d92abf77ba2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ace630100e64ed290d82936ad249c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ac0937a6ef09d8fa79cf5dd4b3b8f0.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebef85c05f6d84ceb67d92abf77ba2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ace630100e64ed290d82936ad249c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ac0937a6ef09d8fa79cf5dd4b3b8f0.png)
您最近一年使用:0次
解题方法
4 . 若函数
在定义域内存在
使得
,则称
为“
函数”,
为该函数的一个“
点”.设
,若
是
的一个“
点”,则实数a的值为______ ;若
为“
函数”,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7325d2b5f25f64ada66dd8d191fe8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/744b07c137166e10db0b54001cb93a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee03bf4075e9849307c3e44356ae2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e24d42f61784c642e9eb1316afdd2ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10-11高三·浙江温州·阶段练习
5 . 已知
且
,则使方程
有解的
的取值范围
为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353b7f8a8e5f49ebaaa7ec8629ac9953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
为
您最近一年使用:0次
解题方法
6 . 已知函数
在区间
上有最大值5,最小值1;设
.
(1)求
的值;
(2)若
对任意
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd111aae2d6db2cd95b8b97d4698741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da34ce730f711c09909d53806fe2330a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba94b35258a2fbde34d7e26be524fb6e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3f9a5f8e2960f496fae58efd92f3d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0feacb88292ed4d04e33d0b9b9d7954f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
7 . 设常数
,实数
满足
,若
的最大值为
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751afe327bd2cd6e0d2336556ee5aded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9defa23d2a9b88f4dd10e0ea4bef2189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b1188f04e95228c95114ee1005e985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
解题方法
8 . 已知实数
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34d82511a3c87baeecfc0a19557d6505.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次